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Output ESM instead of CommonJS #225

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merged 22 commits into from
Nov 3, 2021
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SimonSiefke
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@SimonSiefke SimonSiefke commented Oct 16, 2021

this would be a breaking change because of esm output

fixes #215

@sindresorhus
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CI is failing

@sindresorhus
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I'm willing to merge this now, but I won't release this until TS 4.5 final is out.

@SimonSiefke
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yeah, it's a bit unfortunate that ts-node doesn't support typescript-4.5 beta TypeStrong/ts-node#1519

I think it would be compatible, just the semver (>=2.7) doesn't seem to allow beta release (4.5.0-beta)

I've now changed npm install to npm install --force so that ci (hopefully) passes

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I also needed to upgrade ava and xo so that they support esm, but I think everything should work now. Sorry that the pr is very big now :(

package.json Outdated Show resolved Hide resolved
message: (_, label, error) => typeof error === 'string'
? `(${label}) ${error}`
// eslint-disable-next-line @typescript-eslint/no-unsafe-call
: error(label),
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@SimonSiefke SimonSiefke Oct 17, 2021

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not sure how to fix these two errors so I disabled them for now

@sindresorhus
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CI is failing because of xojs/xo#599

@sindresorhus
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Alright. XO is fixed now. Can you fix the tests?

@SimonSiefke
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Node 14 CI Coverage is failing because of avajs/ava#2417
Changed nyc to c8 which worked locally

Node 16 CI Tests are failing because of ESM Loader Change in Node 16.12.0 (which was released yesterday), which breaks ts-node
I opened TypeStrong/ts-node#1526

@SimonSiefke
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Updated ts-node, I think all should work now.

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@voxpelli
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I'm looking into why xo fails in this PR as it seems to be related to my PR in xojs/xo#624, though an npm install on a fresh checkout of this PR gives me:

npm ERR! code ERESOLVE
npm ERR! ERESOLVE unable to resolve dependency tree
npm ERR! 
npm ERR! While resolving: ow@0.28.1
npm ERR! Found: typescript@4.5.0-dev.20211027
npm ERR! node_modules/typescript
npm ERR!   dev typescript@"^4.5.0-beta" from the root project
npm ERR! 
npm ERR! Could not resolve dependency:
npm ERR! peer typescript@">=2.7" from ts-node@10.4.0
npm ERR! node_modules/ts-node
npm ERR!   dev ts-node@"^10.4.0" from the root project

Did you install using npm install, npm install --legacy-peer-deps or npm install --force @SimonSiefke @sindresorhus?

@voxpelli
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Posted about the cause of the xojs/xo#624 related issue in that PR.

Though, as a separate issue, I don't think npm install --legacy-peer-deps or npm install --force should be required for ow, so if that's something this PR introduced, then if that can be avoided then that would be great 👍

@sindresorhus sindresorhus changed the title output esm, fixes #215 Output ESM instead of CommonJS Nov 3, 2021
@sindresorhus sindresorhus merged commit 0288f6a into sindresorhus:main Nov 3, 2021
@voxpelli
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voxpelli commented Nov 3, 2021

👏 🎉

@jonahsnider
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I'm willing to merge this now, but I won't release this until TS 4.5 final is out.

TypeScript v4.5 has now been released, can this PR be released now @sindresorhus?

@sindresorhus
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Unfortunately not: #227 (comment)

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bug with esm
4 participants